In August we bought a mattress from Linder's furniture and was told we would be eligible to receive a $500 gas card, free. What they didn't say was it would be in increments of $25, pending sending in $100 worth of gas receipts each month, by the 25th of the month, from Mobil. We have been doing this since September and have not received one card to date. The telphone number connects you to an automatic busy signal. Beward if you see this company in any offers. read full review »